factordbrpc · fdb
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Enter a value, an expression, or a term with a variable like 10^n+1 to list a range. Switch to Database id to look a number up by its stored id. Reading never stores anything; use Create to add a number to the database. See the expression syntax & functions reference.

P · Proven prime
id #1100000009047821608 354 digits created 2026-08-05

Value

197509440824455822842199226945630080203436426283628533305059991628898189028723294525142078328422819693029842570751769444589088266879983759908970326805593652438334558171718375166302563820533103307749903905334512009036271861252334920903715471791555686148746018505037029011432233185574895211989989110452514814158904237321469569690407826422911532154866756639
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 96 of the certificate chain of a 1,470-digit prime (121 intermediate primes).

Certified number1,470-digit prime
Certificatedownload
Certificate chainshow step 96 of 121

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009047821608 --detail 2 --decimal
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"id":1100000009047821608},"decimal":true,"detail":2}}'